13 results
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Abnormal Jugular ... - First-degree ... Atrioventricular dissociation ... #Waveforms #JVP ... #PhysicalExam #
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
contraction of atria ... in the JV. ... #waves #AV #dissociation ... clinical #video #JVP ... #jugular #neck
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
• Caused by atrial ... + retrograde atrial ... activation from SVT (e.g ... #diagnosis #cardiology ... #CVP
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
In AVNRT, the atria ... EKG of the same ... #AVNRT #PhysicalExam ... #JVP #Cardiology ... #Neck #Frog #Sign
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Neck Examination ... AV dissociation ... for DDI and an atrial ... #Neck #PhysicalExam ... #JVP #Clinical
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
AVNRT on Neck Physical ... shown , what’s the diagnosis ... ... regular cannon ... #AVNRT #Neck #PhysicalExam ... #JVP #Cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Narrow & regular ... P and QRS • Atrial ... HeartBlocks #Types #Classification ... #Diagnosis #EKG ... electrocardiogram #ecg
Pericardial Tamponade
Beck's Triad 
1. Hypotension 
2. Jugular venous distension 
3. Muffled heart sounds 
Patient will be
Tamponade Beck's Triad ... Jugular venous distension ... heart sounds, JVD ... paradoxus - ECG ... #Diagnosis #Cardiology
Diastolic Function Grading - Schematic diastolic filling patterns

I: impaired relaxation, II: moderate diastolic dysfunction (pseudonormal), III:
LV compliance), ECG ... pulmonary venous flow, Vp ... progression, LA: left atrium ... #Diagnosis #Cardiology ... Dysfunction #Grading #Classification
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
200 msec) • P wave ... independently of the atria ... leading to AV node dissociation ... heartblock #cardiology #ecg ... #ekg #diagnosis